KR20240064969A - Electrically-heating type cigarette - Google Patents

Abstract

Examples include an aerosol media load comprising an aerosol media that generates an aerosol by heating; a mouth filter rod provided downstream of the aerosol media rod; and wrapping paper that wraps the rods to form the shape of a cigarette, wherein the aerosol medium rod is a mixture of an aerosol medium made of natural plant material and ceramic beads containing a metal capable of induction heating.

Description

Heated cigarette {ELECTRICALLY-HEATING TYPE CIGARETTE}

The example relates to a heated cigarette.

In recent years, there has been an increasing demand for alternative methods to overcome the disadvantages of regular cigarettes. For example, there is an increasing demand for a method in which aerosol is generated by heating the aerosol-generating material in the cigarette, rather than a method of generating aerosol by burning a cigarette.

In general, slurry leaf sheets, which are the main raw material of tobacco media, have weak tensile strength and are difficult to manufacture, and the tobacco media contains a large amount of humectants, making its physical properties weak. In addition, tobacco media containing liquids such as glycerin are sensitive to humidity in the surrounding environment due to their hydrophilic nature, making it difficult to control the manufacturing process environment. There is a limit to the amount of liquid that can be contained in the tobacco medium.

In addition to cigarettes containing tobacco media, it has been proposed that the liquid is stored in a separate cartomizer to generate additional aerosol, so that when the user inhales the cigarette, the aerosol derived from the liquid is inhaled through the cigarette. However, it has been proposed that the liquid contained in the cartomizer is There are difficulties in managing the liquid (expiration date, deterioration, etc.), and condensation may occur in the airflow path through which the aerosol generated in the cartomizer moves, causing contamination.

The purpose of the present invention is to provide a heated cigarette.

Examples include an aerosol media load comprising an aerosol media that generates an aerosol by heating; a mouth filter load provided downstream of the aerosol media load; and wrapping paper that wraps the rods to form the shape of a cigarette, wherein the aerosol medium rod is a mixture of an aerosol medium made of natural plant material and ceramic beads containing a metal capable of induction heating.

As another aspect of the embodiment, a heated cigarette is provided, wherein the metal ceramic included in the ceramic beads containing metal is at least one of aluminum, titanium, tungsten, kanthal, and SUS.

As another aspect of the embodiment, a heated cigarette is provided wherein the ceramic bead containing a metal has a Bernard cell structure and absorbs glycerin, and optionally nicotine is additionally absorbed.

As another aspect of the embodiment, a heated cigarette is provided wherein the ceramic beads containing metal have a porous structure.

As another aspect of the embodiment, a heated cigarette is provided, wherein the ceramic beads containing metal have a particle diameter of 1 to 500 μm.

As another aspect of the embodiment, a heated cigarette is provided, wherein the ceramic bead containing a metal is formed by mixing metal particles with a ceramic such as magnesium silicate, silica, or diatomaceous earth.

In another aspect of the embodiment, there is provided a heated cigarette wherein the aerosol media load is wrapped with a separate wrapping paper to prevent leakage. In another aspect of the embodiment, a heated cigarette is provided, wherein the separate wrapping paper is coated or laminated with aluminum foil or hydrophobic ceramic sheet.

As another aspect of the embodiment, a heated cigarette is provided, further comprising a tube rod disposed between the aerosol media rod and the mouth filter rod.

As another aspect of the embodiment, a heated cigarette is provided, further comprising a cooling rod disposed between the tube rod and the aerosol medium rod.

As another aspect of the embodiment, a heated cigarette is provided, further comprising a cooling rod disposed between the aerosol media rod and the mouth filter rod.

As another aspect of the embodiment, the cooling rod provides a heated cigarette characterized by a combination of one or more PLA rods, Carbon Mono rods, and paper rods.

As another aspect of the embodiment, a heated cigarette is provided, wherein a ventilation hole through which external air is sucked is formed in the cooling rod.

As another aspect of the embodiment, a heated cigarette is provided, further comprising an air flow control filter disposed on the upstream side of the aerosol medium load and controlling the amount of ventilation.

In another aspect of the embodiment, a heated cigarette is provided, wherein the air flow control filter is made of any one of mesh, cotton, and porous ceramic.

As another aspect of the embodiment, a heated cigarette is provided, wherein the natural plant material includes one or more of tobacco leaves, cloves, tea leaves, phytoncide-containing plants, flower petals, fruit-derived plants, and medicinal herbs.

The heated cigarette provided by the present invention provides a heated cigarette by processing the aerosol medium into a rod shape and wrapping it with a filter and a tube, and the aerosol medium rod includes a ceramic bead containing a metal to achieve induction heating through the metal in the ceramic bead. There is an advantage to this being possible.

1 is a diagram schematically showing a structure in which rods of a heated cigarette according to a first embodiment of the present invention are stacked;
Figure 2 is a diagram schematically showing a structure in which rods of a heated cigarette according to a second embodiment of the present invention are stacked;
Figure 3 is a diagram schematically showing a structure in which rods of a heated cigarette according to a third embodiment of the present invention are stacked;
Figure 4 is a diagram schematically showing a structure in which rods of a heated cigarette according to a fourth embodiment of the present invention are stacked;
Figure 5 is a diagram schematically showing a structure in which rods of a heated cigarette according to a fifth embodiment of the present invention are stacked;
Figure 6 is a diagram schematically showing a structure in which rods of a heated cigarette according to a sixth embodiment of the present invention are stacked;
Figure 7 is a diagram schematically showing a structure in which rods of a heated cigarette according to a seventh embodiment of the present invention are stacked;
Figure 8 is a diagram schematically showing a structure in which rods of a heated cigarette according to an eighth embodiment of the present invention are stacked;
Figure 9 is a diagram schematically showing the structure in which rods of a heated cigarette according to the ninth embodiment of the present invention are stacked;
Figure 10 is a diagram schematically showing a structure in which rods of a heated cigarette are stacked according to the tenth embodiment of the present invention.

Hereinafter, the embodiment will be described in more detail with reference to the drawings.

The present invention may be subject to various modifications and may have various embodiments, and specific embodiments will be illustrated in the drawings and described in detail in the detailed description. The effects and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in various forms.

In the following examples, singular terms include plural terms unless the context clearly dictates otherwise.

In the following embodiments, terms such as include or have mean that the features or components described in the specification exist, and do not preclude the possibility of adding one or more other features or components.

In the following embodiments, the terms 'upstream' and 'downstream' are terms used to indicate the relative positions of the segments constituting the cigarette, based on the direction in which the user sucks air using the cigarette. The cigarette includes a downstream end (i.e., the part where air enters) and an opposite upstream end (i.e., the part where air goes out). When using a cigarette, the user may bite the downstream end of the cigarette. The downstream end is located downstream of the upstream end, while the term 'end' may also be written as 'distal end'.

In the drawings, the sizes of components may be exaggerated or reduced for convenience of explanation. For example, the size and thickness of each component shown in the drawings are shown arbitrarily for convenience of explanation, so the present invention is not necessarily limited to what is shown.

Below, with reference to the attached drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily practice the present invention. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein.

Figure 1 is a diagram schematically showing a structure in which rods of a heated cigarette according to a first embodiment of the present invention are stacked.

The heated cigarette according to the first embodiment of the present invention is integrated by stacking three rods and wrapping them with wrapping paper.

The rod includes an aerosol medium rod 100 containing an aerosol medium that generates an aerosol by heating, a cooling tube rod 200 provided downstream of the aerosol medium rod 100, and a cooling tube rod 200 on the downstream side of the cooling tube rod 200. It consists of a provided mouse filter rod (300).

The aerosol medium rod 100 is a mixture of ceramic beads 110 containing metal in an aerosol medium 120 made of natural plant material. The aerosol medium made of natural plant materials may include one or more of tobacco cuttings, cloves, tea leaves, phytoncide-containing plants, processed flower petals, processed fruits, and processed medicinal herbs. The natural plant material is preferably provided in the aerosol medium load 100 in a dried state using at least one of freeze-drying, hot-air drying, and fluidized bed drying methods.

The ceramic beads 110 are manufactured by mixing metal with ceramic powder such as magnesium silicate, silica, or diatomaceous earth, and preferably have a particle diameter of 1 to 500 μm and a porous structure. The ceramic bead 110 has the advantage that metal particles such as aluminum, titanium, tungsten, kanthal, and SUS can increase the temperature quickly when the cigarette is heated by a heater, thereby improving the amount of atomization by warming the surrounding aerosol medium. Additionally, when the metal particles included in the ceramic beads 110 are magnetic materials, there is an advantage that the cigarette can be heated using an induction heating method.

Additionally, when the ceramic beads 110 are porous particles, moisture absorption performance is improved and the ceramic beads 110 can be provided in the aerosol medium rod 100 while absorbing substances that increase aerosol generation, such as glycerin. Additionally, if necessary, the ceramic beads 110 may be provided in the aerosol medium rod 100 with the nicotine component additionally absorbed.

At this time, the aerosol medium rod 100 may be wrapped once by a separate wrapping paper (not shown) and then wrapped by wrapping paper surrounding the entire rod. In a separate wrapping paper surrounding the aerosol medium rod 100 or a wrapping paper surrounding the entire cigarette, the portion surrounding the aerosol medium rod 100 is made of aluminum foil or hydrophobic ceramic to prevent glycerin absorbed in the ceramic beads from leaking. It is desirable for the sheets to be coated or laminated.

Meanwhile, the ceramic beads 110 may be manufactured using the Barnard cell phenomenon to form a porous structure.

The method of manufacturing ceramic beads 110 using the Bernard Cell phenomenon according to an embodiment includes dispersing silicate powder and a binder in a first solvent to prepare a first dispersion solution, dispersing the additive in a second solvent and stirring it to prepare a first dispersion solution. 2. It includes preparing a dispersion solution, mixing and stirring the first dispersion solution and the second dispersion solution to prepare a mixed slurry, and spray drying the mixed slurry.

At this time, the silicate powder preferably contains metal particles such as aluminum, titanium, tungsten, kanthal, and SUS.

Meanwhile, the binder used in the preparation of the first dispersion solution is selected from polyvinyl alcohol, polyvinyl acetate, polyethylene, polyvinylbutylene, polypropylene, polyvinyl chloride, polyacrylic, polyacrylamide, guar gum, gelatin, and natural rubber. It is desirable to have more than one selected.

In addition, the first solvent includes one or more selected from water, ethanol, toluene, IPA, and acetone, and it is preferable that the first solvent is used in an amount of 70 to 220 wt% based on the weight of the metal silicate.

At this time, the additive used in the preparation of the first dispersion solution preferably includes a high boiling point solvent such as mineral spirits or xylene, and is preferably added in an amount of 0.5 to 10 wt% relative to the metal silicate.

Additionally, the second solution contains at least one selected from water, ethanol, toluene, IPA, and acetone, and is preferably contained in an amount of 5 to 30 wt% relative to the metal silicate.

The first dispersion solution and the second dispersion solution are mixed and stirred to prepare a mixed slurry, and then the mixed slurry is spray dried to form ceramic beads 110. At this time, spray drying uses a disk method, and the rotation speed of the disk is preferably adjusted within the range of 500 to 9000 rpm. At this time, the disk onto which the mixed slurry is sprayed rotates in a chamber maintaining a temperature of 220 to 300°C, and the Bernard Cell phenomenon is induced during the spray drying stage, causing surface defects (cracks) and reducing the specific surface area of the ceramic beads 110. can be increased. At this time, the ceramic bead 110 has the advantage of being able to form micropores without separately adding a pore-forming agent during the manufacturing process. The ceramic beads 110 manufactured in this way can increase the specific surface area. Therefore, when manufacturing a heater or liquid hygroscopic body for an aerosol generating device using the ceramic beads 110 for an aerosol generating device using the Bernard cell phenomenon according to the embodiment, the amount of moisture that can absorb the liquid increases, and accordingly, the liquid is vaporized. It has the advantage of being able to increase the amount of atomization that can occur.

The tube rod 200 has a hollow body to provide a passage for the aerosol to move through. The cooling tube rod 200 includes PLA to lower the temperature of the aerosol, thereby preventing the user from getting burned when inhaling the aerosol. Alternatively, the cooling tube rod 200 may be made of cellulose acetate, and the cooling tube rod 200 functioning as a cooling structure may be made of pure polylactic acid, or may be made by combining polylactic acid with another decomposable polymer.

The mouth filter rod 300 is a filter that functions as a mouthpiece, allowing aerosols to pass through and preventing the inflow of liquid. The mouth filter rod 300 may be made of pulp and may be made in a cylindrical or tube shape. Meanwhile, the mouse filter rod 300 can improve user satisfaction by including flavoring ingredients. Flavoring ingredients include, for example, licorice, sucrose, fructose syrup, iso-sweeteners, cocoa, lavender, cinnamon, cardamom, celery, fenugreek, cascarilla, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon. Oils may include orange oil, mint oil, cinnamon, caraway, cognac, jasmine, chamomile, menthol, cinnamon, ylang ylang, sage, spearmint, ginger, coriander or coffee.

The filter rod 300 may be made of materials such as acetate, paper, and PP, and the wrapping paper surrounding the filter may be classified into plain paper, perforated paper, perforated paper, and NWA (Non Wrapped Acetate). Additionally, the type of filter can be classified into a mono filter made of one segment, and a complex (double, triple, etc.) filter made of multiple segments. Filters may be made from acetate tow, plasticizer, activated carbon, X-DNA, and paper towels. Acetate tow refers to an aggregate of continuous filaments of cellulose acetate, and plays a critical role in determining the suction resistance, the most important characteristic of a filter. The properties of acetate toe are determined by denier.

Plasticizers make cellulose acetate fibers soft and pliable, forming bonds at contact points between the fibers and making the fiber bundles more rigid. Triacetin is used as a plasticizer for cigarette filters.

Activated carbon, one of the adsorbents, is a material whose main component is carbon, and can be classified according to particle size and properties. Raw materials used in activated carbon include vegetable raw materials such as wood, sawdust, and fruit peels (palm shell, bamboo, and peach seeds).

X-DNA refers to functional particles extracted from seaweed, concentrated, and processed. Compared to activated carbon, which is mainly used in cigarette filters, it does not affect the taste of cigarettes and is excellent at removing various carcinogens.

Figure 2 is a diagram schematically showing a structure in which rods of a heated cigarette according to a second embodiment of the present invention are stacked.

The heated cigarette according to the second embodiment has the same other components as the first embodiment, is disposed on the upstream side of the aerosol medium rod 400, and further includes an airflow control filter 400 that adjusts the amount of ventilation. The airflow control filter 400 is made of any one of mesh, cotton, and porous ceramic, and the amount of airflow passing through the cigarette can be adjusted depending on the pore size of the airflow control filter 400. Additionally, the air flow control filter 400 can prevent the aerosol medium 110 and ceramic beads 120 from escaping from the wrapping paper.

Figure 3 is a diagram schematically showing a structure in which rods of a heated cigarette according to a third embodiment of the present invention are stacked.

The heated cigarette according to the third embodiment has the same other components as the first embodiment, but differs in that it further includes a cooling rod 500 disposed between the tube rod 200 and the aerosol medium rod 100.

Figure 4 is a diagram schematically showing a structure in which rods of a heated cigarette according to a fourth embodiment of the present invention are stacked.

The heated cigarette according to the fourth embodiment has the same other components as the first embodiment, is disposed on the upstream side of the aerosol medium rod 400, and includes an air flow control filter 400 for controlling the amount of ventilation, and a tube rod ( It further includes a cooling rod 500 disposed between 200) and the aerosol medium rod 100.

Figure 5 is a diagram schematically showing a structure in which rods of a heated cigarette according to a fifth embodiment of the present invention are stacked.

The heated cigarette according to the fifth embodiment is the same as the fourth embodiment, except that the cooling rod 500a is made of a plurality of rods.

The cooling rod 500a according to the fifth embodiment includes a PLA rod 510a, a Carbon Mono rod 520a, and a paper rod 530a.

The cooling rod 500a shown in Figure 5 includes all of the PLA rod 510a, Carbon Mono rod 520a, and paper rod 530a, but includes the PLA rod 510a, Carbon Mono rod 520a, and paper rod ( Any configuration may be used as long as it is a combination of one or more rods including 530a). For example, it may include only one or two of the PLA rod 510a, the Carbon Mono rod 520a, and the paper rod 530a, or the PLA rod 510a, the Carbon Mono rod 520a, and the paper rod 530a. The stacking order may be different.

Figure 6 is a diagram schematically showing a structure in which rods of a heated cigarette according to a sixth embodiment of the present invention are stacked.

The heated cigarette according to the sixth embodiment is the same as the fifth embodiment, but instead of having the cooling rod 500a, the tube rod 200 (see FIG. 5) can be excluded from the configuration.

Figure 7 schematically shows a structure in which rods of a heated cigarette according to a seventh embodiment of the present invention are stacked, and Figure 8 schematically shows a structure in which rods of a heated cigarette according to an eighth embodiment of the present invention are stacked. 9 is a diagram schematically showing a structure in which rods of a heated cigarette according to the ninth embodiment of the present invention are stacked, and FIG. 10 is a diagram showing a structure in which rods of a heated cigarette are stacked according to the tenth embodiment of the present invention. This is a drawing schematically showing the structure.

The cigarettes shown in FIGS. 7 to 10 are different from the fifth embodiment in that external air inlet holes 512a, 522a, 532a, and 220a are formed in the cooling rod 500a or the tube rod 200a.

In addition to the inflow of air through the airflow path formed in the aerosol generating device, the cigarettes according to the seventh to tenth embodiments each have cooling rods (510a, 520a, 530a) or tube rods (510a, 520a, 530a) so that external air can be introduced into the cigarette. An external air inlet hole (512a, 522a, 532a, 220a) is formed in at least one of 200a). In the seventh embodiment, an external air inlet hole 512a is formed in the PLA rod 510a, in the eighth embodiment, an external air inlet hole 522a is formed in the Carbon Mono rod 520a, and in the ninth embodiment, the paper rod An external air inlet hole 532a is formed in (530a), and in the tenth embodiment, an external air inlet hole 220a is formed in the tube rod 200a.

The outside air inlet holes (512a, 522a, 532a, and 220a) can lower the temperature of the aerosol inhaled into the mouth during inhalation and lower the suction resistance to appropriately increase the amount of atomization.

The outside air inlet holes 512a, 522a, 532a, and 220a include through holes or grooves formed in the horizontal or diagonal direction of the cigarette. When the outside air inlet holes (512a, 522a, 532a, 220a) are exposed to the external space, the temperature of the air flowing in through the outside air inlet holes (512a, 522a, 532a, 220a) is the temperature inside the cigarette heated in the aerosol generating device. becomes lower than the temperature. Low-temperature air from the outdoor air inlet holes 512a, 522a, 532a, and 220a is additionally introduced into the aerosol discharged to the outside as the airflow pass penetrates the cigarette, thereby increasing the amount of haze.

Claims (16)

An aerosol medium load comprising an aerosol medium that generates an aerosol by heating;
a mouth filter rod provided downstream of the aerosol media rod; and
It includes a wrapping paper that wraps the rods to form the shape of a cigarette,
The aerosol media rod is a heated cigarette characterized by a mixture of an aerosol media made of natural plant material and ceramic beads containing a metal capable of induction heating. According to paragraph 1,
A heated cigarette, wherein the metal ceramic contained in the metal-containing ceramic bead is at least one of aluminum, titanium, tungsten, kanthal, and SUS. According to paragraph 1,
A heated cigarette in which ceramic beads containing metal have a Bernard cell structure and absorb glycerin, and optionally nicotine is additionally absorbed. According to paragraph 1,
A heated cigarette wherein the ceramic beads containing metal have a porous structure. According to paragraph 1,
A heated cigarette wherein the ceramic beads containing metal have a particle diameter of 1 to 500㎛. According to paragraph 1,
A heated cigarette in which ceramic beads containing metal are formed by mixing metal particles with ceramics such as magnesium silicate, silica, and diatomaceous earth. According to paragraph 1,
A heated cigarette wherein the aerosol medium load is wrapped with separate wrapping paper to prevent leakage. In clause 7,
Heated cigarette, characterized in that the separate wrapping paper is coated or laminated with aluminum foil or hydrophobic ceramic sheet. According to paragraph 1,
A heated cigarette further comprising a tube rod disposed between the aerosol media rod and the mouth filter rod. According to clause 9,
A heated cigarette further comprising a cooling rod disposed between the tube rod and the aerosol medium rod. According to paragraph 1,
A heated cigarette further comprising a cooling rod disposed between the aerosol media rod and the mouth filter rod. According to any one of claims 10 or 11,
The cooling rod is a heated cigarette characterized by a combination of one or more PLA rods, Carbon Mono rods, and paper rods. According to clause 12,
A heated cigarette, characterized in that a ventilation hole through which external air is sucked is formed in the cooling rod. According to paragraph 1,
A heated cigarette further comprising an air flow control filter disposed on the upstream side of the aerosol media rod and controlling the amount of ventilation. According to clause 14,
A heated cigarette wherein the airflow control filter is made of any one of mesh, cotton, and porous ceramic. According to paragraph 1,
A heated cigarette characterized in that the natural plant material includes one or more of tobacco leaves, cloves, tea leaves, phytoncide-containing plants, flower petals, fruit-derived plants, and medicinal herbs. (DP221804)